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Waine Calker

Marshall JMP-1 Tube MIDI Guitar Preamp

Sound Quality

Here is where this pre-amp fall short, in my opinion. I have tried it with a variety of power amps, and it still just sounds......DIGITAL. Despite the fact that there are tubes inside, it really does not compare to just pure, warm tube beauty. I bought this preamp when I was 16 and obsessed with getting a Smashing Pumpkins sound. I read in some interview that Billy Corgan used this preamp a lot. Well, I also bought a JCM 800 2203 (original), and no matter how many times I compare the two, the amp head wins by leaps and bounds. You can get heavy distortion through the JMP-1 (though maybe not as saturated as some might like), but the result that you hear is always lame by comparison. Just my opinion though. I really, really want to love it, but it's just not going to happen. I'm gonna have to say goodbye to this preamp....


I have had it 5 years and the internal memory battery is still goin'. Never had ANY problems whatsoever....um, aside from the sound, that is.

General Comments

I'm 23 now...been playing since age 12. I've been sidetracked for many years...buying gear just because my heros used the same things. Now I'm trusting my ears, and I want a warm, dynamic, true sound. The JMP-1 is great for MIDI versatility and programability, but the sounds is not up to par for me. Just my opinion of course....I used to love the thing to death....I was just naiive and didn't know what an amp could really sound like.

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